2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 107Get this manual
TIRE INSPECTION
INSP ADJ
Pulling load (total weight of trailer and cargo): 500 kg (1,102 lb) Tongue weight (vertical weight on trailer hitch point): 15 kg (33 lb) Be extra careful of the machine balance and stability when towing trailer
1.Measure: Tire pressure (cold tire pressure) Out of specification AdjustNOTE: The low-pressure tire gauge is included as standard equipmentIf dust or the like is stuck to this gauge, it will not provide the correct readingsTherefore, take two measurements of the tire's pressure and use the second readingCold tire pressure Standard Front 25 kPa (0.25 kgcm2, 3.6 psi) 22 kPa (0.22 kgcm2, 3.2 psi) 28 kPa (0.28 kgcm2, 4.0 psi) Rear 25 kPa (0.25 kgcm2, 3.6 psi) 22 kPa (0.22 kgcm2, 3.2 psi) 28 kPa (0.28 kgcm2, 4.0 psi)